Water bed frame



FIG. 1 is a perspective view of a water bed frame showing my design;

FIG. 2 is an elevational view showing one of the two identical sides;

FIG. 3 is an elevational view showing one of the two identical ends; and

FIG. 4 is a top plan view thereof on a reduced scale. 

The ornamental design for a water bed frame, as shown and described. 